Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:45:07 2013 Optimize a model with 1045 rows, 90345 columns and 180595 nonzeros Presolve time: 0.15s Presolved: 1045 rows, 90345 columns, 180595 nonzeros Variable types: 90250 continuous, 95 integer (95 binary) Root relaxation: objective 1.425431e+05, 3803 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 142543.067 0 10 - 142543.067 - - 0s H 0 0 152259.00000 142543.067 6.38% - 0s H 0 0 143305.00000 142543.067 0.53% - 0s 0 0 142881.930 0 6 143305.000 142881.930 0.30% - 1s 0 0 142881.930 0 10 143305.000 142881.930 0.30% - 1s 0 0 142881.930 0 6 143305.000 142881.930 0.30% - 1s 0 0 142923.436 0 8 143305.000 142923.436 0.27% - 1s 0 0 142933.408 0 5 143305.000 142933.408 0.26% - 1s 0 0 142933.792 0 4 143305.000 142933.792 0.26% - 2s 0 0 142940.630 0 4 143305.000 142940.630 0.25% - 2s 0 0 142941.947 0 4 143305.000 142941.947 0.25% - 2s 0 0 142943.187 0 3 143305.000 142943.187 0.25% - 2s H 0 0 143246.00000 142943.187 0.21% - 2s 0 2 142949.106 0 3 143246.000 142949.106 0.21% - 2s H 6 4 143146.27273 143019.010 0.09% 86.2 3s H 7 5 143118.71508 143019.010 0.07% 81.1 3s * 10 3 7 143099.00000 143019.010 0.06% 78.5 3s Cutting planes: Implied bound: 163 Flow cover: 8 Explored 17 nodes (9982 simplex iterations) in 3.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.430990000000e+05, best bound 1.430855876289e+05, gap 0.0094%